Chip Resistors-Surface Mount

Image Part Number Description / PDF Quantity Rfq
RNCF0805BTE487K

RNCF0805BTE487K

Stackpole Electronics, Inc.

RES 487K OHM 0.1% 1/8W 0805

0

RNCF0603DKC16R9

RNCF0603DKC16R9

Stackpole Electronics, Inc.

RES 16.9 OHM 0.5% 1/10W 0603

0

RNCF0603BTC118K

RNCF0603BTC118K

Stackpole Electronics, Inc.

RES 118K OHM 0.1% 1/10W 0603

0

RNCF0805BTC1K20

RNCF0805BTC1K20

Stackpole Electronics, Inc.

RES 1.2K OHM 0.1% 1/8W 0805

0

RNCF1206DTC215K

RNCF1206DTC215K

Stackpole Electronics, Inc.

RES 215K OHM 0.5% 1/3W 1206

0

RPC2512KT270R

RPC2512KT270R

Stackpole Electronics, Inc.

RES 270 OHM 10% 1.5W 2512

0

RMCF1210JT82R0

RMCF1210JT82R0

Stackpole Electronics, Inc.

RES 82 OHM 5% 1/2W 1210

5939

RNCF0805BTC101K

RNCF0805BTC101K

Stackpole Electronics, Inc.

RES 101K OHM 0.1% 1/8W 0805

0

RGC1206FTD133K

RGC1206FTD133K

Stackpole Electronics, Inc.

RES 133K OHM 1% 1/4W 1206

0

MLF14FTC13K0

MLF14FTC13K0

Stackpole Electronics, Inc.

RES 13K OHM 1% 1/4W MELF 0204

0

SM6227FT4R53

SM6227FT4R53

Stackpole Electronics, Inc.

RES 4.53 OHM 1% 3W 6227

0

RNCF1206BTE104R

RNCF1206BTE104R

Stackpole Electronics, Inc.

RES 104 OHM 0.1% 1/3W 1206

0

RPC2010JT4R70

RPC2010JT4R70

Stackpole Electronics, Inc.

RES 4.7 OHM 5% 3/4W 2010

19988

RNCF0603BKE2K21

RNCF0603BKE2K21

Stackpole Electronics, Inc.

RES 2.21K OHM 0.1% 1/10W 0603

0

CSR0805FTR270

CSR0805FTR270

Stackpole Electronics, Inc.

RES 0.27 OHM 1% 1/4W 0805

0

RNCF0805DTE1M33

RNCF0805DTE1M33

Stackpole Electronics, Inc.

RES 1.33M OHM 0.5% 1/10W 0805

0

RNCF1206DKE7R68

RNCF1206DKE7R68

Stackpole Electronics, Inc.

RES 7.68 OHM 0.5% 1/4W 1206

0

RMCF0402JT5M10

RMCF0402JT5M10

Stackpole Electronics, Inc.

RES 5.1M OHM 5% 1/16W 0402

0

RPC1206JT1R60

RPC1206JT1R60

Stackpole Electronics, Inc.

RES 1.6 OHM 5% 1/3W 1206

0

RNCS0805BTE82K5

RNCS0805BTE82K5

Stackpole Electronics, Inc.

RES 82.5K OHM 0.1% 1/10W 0805

0

Chip Resistors-Surface Mount

1. Overview

Surface Mount Chip Resistors (SMD Resistors) are passive electronic components designed to limit current flow and divide voltages in printed circuit boards (PCBs). As key elements in Surface Mount Technology (SMT), they enable high-density PCB layouts and automated manufacturing. Their miniaturized footprint and reliability make them essential for modern electronics, including smartphones, automotive systems, and industrial equipment.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Thick Film ResistorsCost-effective, standard tolerance ( 1%-5%), power ratings up to 1WConsumer electronics, power supplies
Thin Film ResistorsHigh precision ( 0.01%), low noise, stable temperature coefficientsMedical devices, precision instrumentation
Power ResistorsHigh power dissipation (up to 3W), robust thermal managementMotor drives, EV battery management systems
Network ResistorsMultiple resistors in single package, matched temperature coefficientsDigital circuits, memory modules
Wirewound ResistorsHigh inductance, precise low-resistance valuesAudio amplifiers, industrial control systems

3. Structure and Composition

Typical SMD resistors consist of: - Ceramic substrate (Alumina, 96% Al2O3) - Resistive layer (Ruthenium oxide for thick film, Nichrome for thin film) - Termination electrodes (Ni/Sn or Ag/Pd metallization) - Protective coating (Epoxy or glass encapsulation) Standard packages follow EIA dimensions (e.g., 0402, 0603, 0805).

4. Key Technical Specifications

ParameterDescriptionImportance
Resistance Range1 to 10M (film), 0.1 to 100k (power)Determines current control capability
Tolerance 0.01% (precision) to 5% (general)Impacts circuit accuracy
Power Rating0.05W to 3W @ 70 CDefines thermal dissipation limits
TCR 5ppm/ C (thin film) to 200ppm/ CAffects stability over temperature
Operating Temp-55 C to +155 CDefines environmental reliability
Voltage Coefficient<0.1ppm/VEnsures voltage stability

5. Application Fields

  • Consumer Electronics: Smartphones, wearables, IoT devices
  • Automotive: ADAS sensors, battery management systems, ECUs
  • Industrial: PLCs, motor drives, power converters
  • Telecom: 5G base stations, optical transceivers
  • Medical: Diagnostic equipment, implantable devices

6. Leading Manufacturers and Products

ManufacturerRepresentative SeriesKey Features
YageoCRCW Series0.05W-1W, 0.1% tolerance
VishayCRCWE SeriesThin film, TCR 25ppm/ C
ROHMMCR SeriesPower resistors up to 2W
OhmitePWR SeriesHigh-power 3W devices
BournsCRCU SeriesNetwork resistors with 8-element arrays

7. Selection Recommendations

Consider: - Required resistance tolerance and power rating - Operating temperature range (automotive needs -40 C to +125 C) - Package size constraints (e.g., 0402 for mobile devices) - Long-term stability requirements (medical applications prefer thin film) - Cost vs. performance trade-offs (consumer vs. industrial use) Example: For smartphone power management, select 0603 thick film resistors with 1% tolerance and 125 C rating.

8. Industry Trends

Key trends include: - Miniaturization: Development of 0201 and 01005 packages - Higher precision: Sub-0.01% tolerance thin film resistors - Enhanced thermal management: New materials for power densities >1W/mm - Automotive growth: AEC-Q200 qualified parts for EVs - Smart manufacturing: AI-driven resistor selection tools - Sustainability: Lead-free and halogen-free material adoption

RFQ BOM Call Skype Email
Top